<template>
    <div>
        <div class="operation">
            <Button @click="addParent" icon="md-add">添加一级分类</Button>
        </div>
        <tree-table
                ref="treeTable"
                size="default"
                :loading="loading"
                :data="tableData"
                :columns="columns"
                :border="true"
                :show-index="false"
                :is-fold="true"
                :expand-type="false"
                primary-key="id">
            <template slot="action" slot-scope="scope">
                <Button
                        type="primary"
                        @click="edit(scope.row)"
                        size="small"
                        icon="md-add"
                        style="margin-right:5px"
                >编辑
                </Button>

                <Button
                        type="error"
                        @click="remove(scope.row)"
                        size="small"
                        icon="md-add"
                        style="margin-right:5px"
                >删除
                </Button>
                &nbsp;
                <Button
                        v-show="scope.row.level != 2 "
                        type="primary"
                        @click="addChildren(scope.row)"
                        size="small"
                        icon="md-add"
                        style="margin-right:5px"
                >添加子分类
                </Button>
            </template>
        </tree-table>

        <Modal :title="modalTitle" v-model="modalVisible" :mask-closable='false' :width="500">
            <Form ref="form" :model="formAdd" :label-width="100" :rules="formValidate">
                <div v-if="showParent">
                    <FormItem label="上级分类" prop="parentId">
                        {{parentTitle}}
                        <Input v-model="formAdd.parentId" clearable style="width:100%;display:none"/>
                    </FormItem>
                </div>
                <FormItem label="分类名称" prop="name">
                    <Input v-model="formAdd.articleCategoryName" clearable style="width:100%"/>
                </FormItem>
                <FormItem label="排序值" prop="sort" style="width:345px">
                    <InputNumber v-model="formAdd.sort"></InputNumber>
                </FormItem>
            </Form>
            <div slot="footer">
                <Button type="text" @click="modalVisible=false">取消</Button>
                <Button type="primary" :loading="submitLoading" @click="Submit">提交</Button>
            </div>
        </Modal>
    </div>
</template>
<script>
    import {
        saveArticleCategory,
        getArticleCategory,
        delArticleCategory,
        updateArticleCategory
    } from "@/api/pages";
    import TreeTable from "@/views/my-components/tree-table/Table/Table";
    import uploadPicInput from "@/views/my-components/lili/upload-pic-input";

    export default {
        name: "lili-components",
        components: {
            TreeTable,
            uploadPicInput
        },
        data() {
            return {
                currView: "index", // 展示哪一类
                loading: false, // 加载状态
                brands: [], //品牌集合
                Specifications: [], //规格集合
                expandLevel: 1, // 展开的层级
                modalType: 0, // 添加或编辑标识
                modalVisible: false, // 添加或编辑显示
                modalTitle: "", // 添加或编辑标题
                showParent: false, // 是否展示上级菜单
                parentTitle: "", // 父级菜单名称
                formAdd: { // 添加或编辑表单对象初始化数据
                    parentId: "",
                    name: "",
                    sort: 1,
                    level: 0,
                },
                // 表单验证规则
                formValidate: {},
                columns: [
                    {
                        title: "分类名称",
                        key: "articleCategoryName",
                        witt: "100px",
                    },
                    {
                        title: "排序",
                        key: "sort",
                        width: "100px",
                    },
                    {
                        title: "操作",
                        key: "action",
                        align: "center",
                        headerAlign: "center",
                        width: "400px",
                        type: "template",
                        template: "action",
                    }
                ],
                tableData: []
            };
        },
        methods: {
            init() {
                this.getAllList();
                // this.getBrandList();
                // this.getSpecList()
            },
            addChildren(v) {
                this.modalType = 0;
                this.modalTitle = "添加子分类";
                this.formAdd.articleCategoryName = "";
                this.parentTitle = v.articleCategoryName;
                this.formAdd.level = eval(v.level + "+1");
                this.showParent = true;
                delete this.formAdd.id;
                this.formAdd.parentId = v.id;
                this.modalVisible = true;
            },
            edit(v) {
                this.modalType = 1;
                this.modalTitle = "编辑";
                this.formAdd.id = v.id;
                this.formAdd.articleCategoryName = v.articleCategoryName;
                this.formAdd.level = v.level;
                this.formAdd.parentId = v.parentId;
                this.showParent = false;
                this.modalVisible = true;
            },
            addParent() {
                this.modalType = 0;
                this.modalTitle = "添加一级分类";
                this.parentTitle = "顶级分类";
                this.showParent = true;
                this.$refs.form.resetFields();
                delete this.formAdd.id;
                this.formAdd.parentId = 0;
                this.modalVisible = true;
            },
            Submit() {
                this.$refs.form.validate(valid => {
                    if (valid) {



                        this.submitLoading = true;
                        if (this.modalType === 0) {
                            // 添加 避免编辑后传入id等数据 记得删除
                            delete this.formAdd.id;
                            saveArticleCategory(this.formAdd).then(res => {
                                this.submitLoading = false;
                                if (res.success) {
                                    this.$Message.success("添加成功");



                                    this.formAdd={}
                                } else {
                                    this.$Message.error(res.message);
                                }
                                this.getAllList();
                                this.modalVisible = false;
                            });
                        } else {
                            // 编辑
                            updateArticleCategory(this.formAdd, this.formAdd.id).then(res => {
                                this.submitLoading = false;
                                if (res.success) {
                                    this.$Message.success("修改成功");
                                } else {
                                    this.$Message.error(res.message);
                                }
                                this.getAllList();
                                this.modalVisible = false;
                                this.$refs.form.resetFields();
                            });
                        }
                    }
                });
            },
            remove(v) {
                this.$Modal.confirm({
                    title: "确认删除",
                    // 记得确认修改此处
                    content: "您确认要删除 " + v.articleCategoryName + " ?",
                    loading: true,
                    onOk: () => {
                        // 删除
                        delArticleCategory(v.id).then(res => {
                            this.$Modal.remove();
                            if (res.success) {
                                this.$Message.success("操作成功");
                                this.getAllList();
                            }
                        });
                    }
                });
            },
            getAllList() {
                this.loading = true;
                getArticleCategory().then(res => {
                    this.loading = false;
                    if (res.success) {
                        // 仅展开指定级数 默认后台已展开所有
                        let expandLevel = this.expandLevel;
                        res.result.forEach(function (e) {
                            if (expandLevel == 1) {
                                if (e.level == 0) {
                                    e.expand = false;
                                }
                                if (e.children && e.children.length > 0) {
                                    e.children.forEach(function (c) {
                                        if (c.level == 1) {
                                            c.expand = false;
                                        }
                                        if (c.children && c.children.length > 0) {
                                            c.children.forEach(function (b) {
                                                if (b.level == 2) {
                                                    b.expand = false;
                                                }
                                            });
                                        }
                                    });
                                }
                            } else if (expandLevel == 2) {
                                if (e.level == 0) {
                                    e.expand = true;
                                }
                                if (e.children && e.children.length > 0) {
                                    e.children.forEach(function (c) {
                                        if (c.level == 1) {
                                            c.expand = false;
                                        }
                                        if (c.children && c.children.length > 0) {
                                            c.children.forEach(function (b) {
                                                if (b.level == 2) {
                                                    b.expand = false;
                                                }
                                            });
                                        }
                                    });
                                }
                            } else if (expandLevel == 3) {
                                if (e.level == 0) {
                                    e.expand = true;
                                }
                                if (e.children && e.children.length > 0) {
                                    e.children.forEach(function (c) {
                                        if (c.level == 1) {
                                            c.expand = true;
                                        }
                                        if (c.children && c.children.length > 0) {
                                            c.children.forEach(function (b) {
                                                if (b.level == 2) {
                                                    b.expand = false;
                                                }
                                            });
                                        }
                                    });
                                }
                            }
                        });
                        this.tableData = res.result;
                    }
                });
            },
        },
        mounted() {
            this.init();
        }
    };
</script>
<style lang="scss" scoped>
    .article {
        font-size: 16px;
        font-weight: 400;
        margin: 12px 0;
    }

</style>
